Panasonic WH-MXF09D3E8, Service Manual

Page: 39 / 125

39
Connecting with external device (optional)
1. All connections shall follow to the local national wiring standard.
2. It is strongly recommended to use manufacturer-recommended parts and accessories for installation.
3. Maximum output power of booster heater shall be
≤ 3 kW. Booster Heater cord must be (3 x min 1.5 mm
2
), of
type designation 60245 IEC 57 or heavier.
4. Two-way Valve shall be spring and electronic type, refer to “Field Supply Accessories” table for details. Valve
cable shall be (3 x min 0.5 mm
2
), of type designation 60245 IEC 57 or heavier, or similarly double insulation
sheathed cable.
* note: - Shall be CE marking compliance component.
- Maximum load for the valve is 9.8VA.
* Cooling model only
5. Three-way Valve shall be spring and electronic type, refer to “Field Supply Accessories” table for details. Valve
cable shall be (3 x min 0.5 mm
2
), of type designation 60245 IEC 57 or heavier, or similarly double insulation
sheathed cable.
* note: - Shall be CE marking compliance component.
- It shall be directed to heating mode when it is OFF.
- Maximum load for the valve is 9.8VA.
6. Room Thermostat cable must be (4 or 3 x min 0.5 mm
2
), double insulation layer of PVC-sheathed or
polychloroprene sheathed cable.
7. Tank OLP cable must be (2 x min 0.5 mm
2
), double insulation layer of PVC-sheathed or polychloroprene
sheathed cable.
* note: - if such connection deemed NO necessary for tank OLP, please connect jumper between terminal
no. 13 and 14.
8. Tank Sensor shall be resistance type, please refer to Graph 4.1 for the characteristic and details of sensor. Its
cable shall be (2 x min 0.3 mm
2
), double insulation layer (with insulation strength of min 30V) of PVC-sheathed or
polychloroprene sheathed cable.
9. External Controller shall be connected to 1-pole switch with min 3.0mm contact gap. (connection refer to Diagram
4.2). Its cable must be (2 x min 0.5 mm
2
), double insulation layer of PVC-sheathed or polychloroprene sheathed
cable.
* note: - When making such connection, kindly remove the jumper between terminal no. 17 and 18.
- Switch used shall be CE compliance component.
- Maximum operating current shall be less than 3A
rms
.
10. Must install Solar Connection PCB (optional) to Mono bloc unit when Solar Pump Station is utilized. Refer Solar
Connection PCB’s installation instruction for detail of installation.
11. Solar Three-way Valve cable shall be (3 x min 0.5 mm
2
), double insulation layer PVC-sheathed or
polychloroprene sheathed cable.
12. Solar Pump Station cable shall be (2 x min 0.5 mm
2
), of double insulation PVC-sheathed or polychloroprene
sheathed cable. Strongly recommended install with maximum length of 10 meter only.
Terminal screw
Tightening torque
N•cm { kgf•cm}
M4 157 ~ 196 {16 ~ 20}
M5 196 ~ 245 {20 ~ 25}